Nano Hairs Twist Into Tiny Dreadlocks Under the right conditions, tiny synthetic hairs will twist together to form intricate braids. Joanna Aizenberg, a professor of materials science, chemistry and chemical biology and Radcliffe professor at Harvard University, shows us what the nano knots look like and what they might be good for. (2:15)Author(s): No creator set

License information

Related content

No related items provided in this feed

Using Data Effectively—Jay Gribble from PRB Learn more: http://pulitzercenter.org/projects/africa-reproductive-health-family-planning-reporting-initiative
Jay Gribble, vice president of international programs at Population Reference Bureau (PRB) explains some of the many data resources PRB publishes for journalists. They are available on PRB's website http://prb.org
He spoke on a panel for journalists about how best to use data at the International Family Planning Conference in Dakar, Senegal.
This video is part of Pulitzer Center's cAuthor(s): No creator set

U.S. Day Ahead: Auto sales need more gas Jan. 3 - Reuters Auto Correspondent Bernie Woodall says U.S. vehicle sales are set to rise nine percent in December, but mainly due to customers delaying their purchases.Author(s): No creator set

License information

Related content

No related items provided in this feed

GOP candidates make their final pitches in Iowa Jan. 3 - GOP candidates continue whirlwind campaigning during the final hours leading up to the Iowa caucuses as voters mull which of several choices to support. Rough Cut (no reporter narration).Author(s): No creator set

License information

Related content

No related items provided in this feed

Golden Globe nominated silent movie The Artist premieres in Germany. Jan. 03 - French actor and comedian Jean Dujardin attends the German premiere in Berlin of the silent movie "The Artist," nominated for six Golden Globes, with director Michel Hazanavicius dreaming about an Oscar and expressing surprise about the film's succes.Author(s): No creator set

Marc Faber is a market analyst and publisher of the "Gloom, Boom and Doom Report" newsletter. As you may have gathered from that title, he's rather pessimistic about the economy. (He's also been very accurate concerning economic trends over his career.) But he really dropped jaws recently when he made the following statement on CNBC:

Cleaning the Air Engineers design methods of removing particulate matter from industrial sources to minimize negative effects of air pollution. In this activity, students will undertake a similar engineering challenge as they design and build a filter to remove pepper from an air stream without blocking more than 50% of the air.Author(s): No creator set

License information

Related content

No related items provided in this feed

Stressed and Strained Students are introduced to the concepts of stress and strain with examples that illustrate the characteristics and importance of these forces in our everyday lives. They explore the factors that affect stress, why engineers need to know about it, and the ways engineers describe the strength of materials. In an associated literacy activity, while learning about the stages of group formation, group dynamics and team member roles, students discover how collective action can alleviate personal feeliAuthor(s): No creator set

License information

Related content

No related items provided in this feed

The Next Dimension The purpose of this lesson is to teach students about the three dimensional Cartesian coordinate system. It is important for structural engineers to be confident graphing in 3D in order to be able to describe locations in space to fellow engineers.Author(s): No creator set

Introduction to Physical Electronics An introduction to solid state device including field effect and bipolar transistors. Properties of transmission lines and propagating E&M waves.Author(s): No creator set

Introduction to Axonometric Projection This article on axonometric projection provides background reading on axonometric projection as it applies to Junior Certificate classes.Author(s): No creator set

License information

Related content

No related items provided in this feed

"Shooting at People Wasn't Our Bag": One of the Inventors of the Computer Speaks Who invented the computer? Like many important technological developments, the invention of the computer cannot rightly be attributed to a single person. It is clear, however, that World War II was crucial to the emergence of the electronic digital computer. The first general-purpose electronic computer was the Electronic Numerical Integrator and Computer, the ENIAC, sponsored by the U.S. Army's Ballistics Research Laboratory at the Aberdeen Proving Ground in Maryland and developed at the the MoAuthor(s): No creator set

License information

Related content

No related items provided in this feed

A German Radical Emigrates to America in 1885 Labor organizer and newspaper editor Oscar Ameringer the "Mark Twain of American Socialism," as he was often called, was born in Bavaria in 1870 to a cabinetmaker father and a freethinking mother. In this excerpt from his autobiography, If You Don't Weaken, published in 1940, he discussed his decision to emigrate to America in 1885 as a fifteen-year-old "hellion." In America, Ameringer ultimately carved out a remarkable and colorful career as a musician, labor organizer, and especially, an editoAuthor(s): No creator set